If you legally own GameCube discs, dump them using a Wii or a compatible disc drive. Then convert:
One of the best reasons to use highly compressed ROMs is to free up space for HD texture packs.
A standard GameCube game is 480p. With a portable device, you can download 4K texture packs (which are often 4GB to 15GB each). If you save 800MB per game via compression, you can afford to install high-resolution textures for your top 10 games without buying a 2TB SSD.
An older standard. It compresses data blocks but doesn't remove padding as aggressively as RVZ.
